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Official data from INPI

PROCESSO PARA OBTER POLÍMEROS DE ÁCIDOS CARBOXÍLICOS OLEFINICAMENTE INSATURADOS

Em AnáliseInvention Patent

Application data

Number

PI8305249

Type

Invention Patent

Filing

09/26/1983

Publication

05/02/1984

Progress at the INPI

  1. Filing09/26/83
  2. Publication05/02/84
  3. Examination08/05/86
  4. Allowance08/01/89
  5. Grant02/06/90
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The B.F. Goodrich Company

US

See this company's full portfolio

Inventors

J. G. (pessoa física)

US

R. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

423,913 · 09/27/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/28/1989

RPI 997

Deferimento

#9.1

08/01/1989

RPI 980

Exigência - art. 36 da LPI

#6.1

06/14/1988

RPI 921

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

05/02/1984

RPI 706

Pedido de patente depositado

#2.1

11/29/1983

RPI 684

Carta-patente expirada

#21.1

Patente extinta em 26/09/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

02/06/1990

RPI 1005

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